Word Study
hole up
THESAURUS
hole up
be incognito, burrow, disappear, drop from sight, go into hiding, go to ground, go underground, hide, hide away, hide out, lie, lie close, lie doggo, lie hid, lie low, lie snug, masquerade, play peekaboo, remain anonymous, retire from sight, sit tight, stay in hiding, take cover, wear a maskFor further exploring for "hole up" in Webster Dictionary Online